Honeywell DT90 Non‑Programmable Digital Thermostat 24–230V

Honeywell DT90 Non‑Programmable Digital Thermostat 24–230V

The Honeywell DT90 is a non‑programmable digital room thermostat designed for simple, accurate temperature control in modern heating systems. Its large, high‑contrast LCD display and intuitive button interface make it easy to operate, while the slim, contemporary design suits a wide range of residential and light‑commercial interiors. With a wide operating voltage range (24–230V), the DT90 is compatible with gas, oil, electric, underfloor heating, and heat‑pump systems. Honeywell’s self‑learning TPI control algorithm improves energy efficiency by maintaining stable room temperatures with minimal cycling.

Features:

• Self‑learning TPI fuzzy logic temperature control
• Non‑programmable digital thermostat
• Large, easy‑to‑read LCD display
• Wide voltage range 24–230V
• Compatible with conventional and heat‑pump systems
• Frost protection mode
• Adjustable proportional band and on/off time
• Installer mode for advanced configuration
• SPDT potential‑free contacts
• Surface or switch‑box mounting options
• Honeywell PN HLDT90A1008